Mini-keg growler

ABSTRACT

A number of variations may include a growler, which may include a cap that may include an a sealing means such as an o-ring, and a container defining a cavity and having a neck portion constructed and arranged to mechanically engage and sealing close the cavity when the cap is connected to the container. A method may include providing a growler, filling the growler with a fermentable liquid, sealing the growler, and fermenting the liquid within the sealed growler.

CROSS-REFERENCE TO RELATED APPLICATIONS

This application is a continuation of U.S. patent application Ser. No.14/075,563 filed on Nov. 8, 2013 and claims the benefit of the filingdate thereof.

TECHNICAL FIELD

The field to which the disclosure generally relates to includescontainers for holding fluids wherein the structure includes a sealingmember acting at the junction of the closure and closure support orcontainer mouth to oppose the passage of fluid there between.

BACKGROUND

Storage of carbonated liquids such as beer may include the use of aglass growler. Glass growlers temporarily hold the carbonation andtemperature of a liquid but leak gas which may result in lostcarbonation. Glass growlers are commonly rated for low internalpressures.

SUMMARY OF ILLUSTRATIVE VARIATIONS

In a number of variations, a product may include a first cap that mayinclude an upper circular surface opposite a lower surface and spacedapart by a cylindrical side surface having a plurality of parallelstriations disposed thereon, and a cap nipple extending from the lowersurface of the first cap that may include a groove adjacent to the lowersurface and outer threading on an outer surface of the cap nipple. Ano-ring may be disposed within the groove. A first container may includea generally cylindrical body portion defining a first cavity and mayinclude a closed end portion may include a bottom surface defining acircular outer lip affixed to the generally cylindrical body portion tothe closed end portion, an indent located generally at the center of theclosed end portion, and a generally circular rib disposed there between,the first container further may include a conical portion extendingopposite the closed end portion and converging toward and being affixedto a neck defining a passage in fluid communication with the firstcavity and constructed and arranged to receive the first cap andsealingly close the cavity.

In a number of variations, a product may include a first cap that mayinclude an upper circular surface opposite a lower surface and spacedapart by a cylindrical side surface having a plurality of parallelstriations disposed thereon, and a cap nipple extending from the lowersurface of the first cap that may include a groove adjacent to the lowersurface and outer threading on an outer surface of the cap nipple. Ano-ring may be disposed within the groove. A first container may includea generally cylindrical body portion defining a first cavity and thatmay include a closed end portion may include a bottom surface defining acircular outer lip affixed to the generally cylindrical body portion tothe closed end portion, an indent located generally at the center of theclosed end portion, and a generally circular rib disposed there between.The first container further may include a conical portion extendingopposite the closed end portion and converging toward and being affixedto a neck defining a passage in fluid communication with the firstcavity and constructed and arranged to receive the first cap andsealingly close the cavity, wherein the neck may further include aninner threading within the passage constructed and arranged to threadand mechanically engage with the outer threading of the cap and achamfered flange constructed and arranged to receive and engage theo-ring to sealingly close the cavity when the first cap is threaded withthe neck. A collar may extend from the conical portion of the containerand end at a first rolled lip and further may include a second rolledlip defining at least one through hole in the collar.

In a number of variations, a method may include providing a first capthat may include an upper circular surface opposite a lower surface andspaced apart by a cylindrical side surface having a plurality ofparallel striations disposed thereon, and a cap nipple extending fromthe lower surface of the first cap may include a groove adjacent to thelower surface and outer threading on an outer surface of the cap nipple.An o-ring may be disposed within the groove. The method may furtherinclude providing a first container may include a generally cylindricalbody portion defining a first cavity and that may include a closed endportion that may include a bottom surface defining a circular outer lipaffixed to the generally cylindrical body portion to the closed endportion, an indent located generally at the center of the closed endportion, and a generally circular rib disposed there between. The firstcontainer further may include a conical portion extending opposite theclosed end portion and converging toward and being affixed to a neckdefining a passage in fluid communication with the first cavity andconstructed and arranged to receive the first cap and sealingly closethe cavity. The method may further include providing a collar that mayinclude a first rolled lip and a shoulder and further may include asecond rolled lip defining at least one through hole in the collar. Themethod may further include attaching the shoulder of the collar to thecylindrical body portion at the interface of the cylindrical bodyportion and the conical portion.

A number of variations may include a product comprising: a first capcomprising an upper circular surface opposite a lower surface and spacedapart by a cylindrical side surface having a plurality of parallelstriations disposed thereon, and a cap nipple extending from the lowersurface of the first cap comprising a groove adjacent to the lowersurface and outer threading on an outer surface of the cap nipple, andan o-ring disposed within the groove.

A number of variation may include a product comprising: a firstcontainer comprising a generally cylindrical body portion defining afirst cavity and that includes a closed end portion comprising a bottomsurface defining a circular outer lip affixed to the generallycylindrical body portion to the closed end portion, an indent locatedgenerally at the center of the closed end portion, and a generallycircular rib disposed therebetween, the first container furthercomprising a conical portion extending opposite the closed end portionand converging toward and being affixed to a neck defining a passage influid communication with the first cavity and constructed and arrangedto receive a first cap and sealingly close the cavity.

A number of variations may include a mini-keg growler containercomprising a generally cylindrical body portion defining a first cavityand that includes a closed end portion comprising a bottom surface, thefirst container further comprising a portion extending opposite theclosed end portion and to an elongated neck defining a passage in fluidcommunication with the first cavity and constructed and arranged toreceive a first cap and sealingly close the cavity. Other illustrativevariations within the scope of the invention will become apparent fromthe detailed description provided hereinafter.

It should be understood that the detailed description and enumeratedvariations, while disclosing optional variations, are intended forpurposes of illustration only and are not intended to limit the scope ofthe invention.

BRIEF DESCRIPTION OF THE DRAWINGS

Select examples of variations within the scope of the invention willbecome more fully understood from the detailed description and theaccompanying drawings, wherein:

FIG. 1 depicts a side view of a mini-keg growler;

FIG. 2 depicts a detail view of the neck of a mini-keg growler; and

FIG. 3 depicts a side view of a cap of a mini-keg growler.

DETAILED DESCRIPTION OF ILLUSTRATIVE VARIATIONS

The following description of the variations is merely illustrative innature and is in no way intended to limit the scope of the invention,its application, or uses. The following description of variants is onlyillustrative of components, elements, acts, products, and methodsconsidered to be within the scope of the invention and are not in anyway intended to limit such scope by what is specifically disclosed ornot expressly set forth. The components, elements, acts, products, andmethods as described herein may be combined and rearranged other than asexpressly described herein and still are considered to be within thescope of the invention.

The container may be made of stainless steel, aluminum, metal, metalalloy, other metallic material or other material suitable for use inhigh pressure vessels. The container may be constructed and arranged tohold a fluid or a pressurized fluid. According to a number ofvariations, the container may be formed from sheet metal or machinedfrom a cast metal. The container may be constructed and arranged tofittingly stack onto or underneath another similar container. Thecontainer may be constructed and arranged to sealingly mate with the capsuch that a cavity within the container is sealingly closed off from theexterior of the container.

The cap may be made of stainless steel, aluminum, metal, metal alloy, orother metallic material or other material suitable for use in highpressure vessels. According to a number of variations, the cap may beformed or machined from a cast metal. The cap may be constructed andarranged to sealingly mate with the cap such that a cavity within thecontainer is sealingly closed off from the exterior of the container.

The o-ring may be made of a natural elastomeric material or a polymericmaterial having suitable material characteristics for use in highpressure vessels wherein the o-ring may be compressible such that itensures a tight seal between a container and a cap. The o-ring may bedisposed around a portion of the cap and constructed and arranged tofacilitate a sealing connection between the cap and the container.

The container, cap, and o-ring may all be mutually constructed andarranged to contain a fluid at high pressure. According to onevariation, a carbonated liquid such as beer may be disposed within thecavity of the container and the cap may sealingly close the container,thereby ensuring that the carbonated beverage does not lose carbonation.According to another variation, a fermentable liquid may be disposedwithin the cavity of the container and the cap may sealingly close thecontainer. The fermentable liquid may then be fermented within thecavity of the container such that gases that may escape the fermentableliquid are held within the container and may carbonate the fermentableliquid within the container.

The container, cap, and o-ring may all be mutually constructed andarranged to contain a fluid at various temperatures and function tomaintain the temperature of the fluid while within the container. Withrespect to FIG. 1; a product may include a first container (30) that mayinclude a generally cylindrical body portion (32) defining a firstcavity (34) and that may include a closed end portion (36) that mayinclude a bottom surface (38) defining a circular outer lip (40) affixedto the generally cylindrical body portion (32) of the closed end portion(36), an indent (42) located generally at the center of the closed endportion (36), and a generally circular rib (44) disposed there between.The first container (30) further may include a conical portion (46)extending opposite the closed end portion (36) and converging toward andbeing affixed to a neck (48). The container (30) may further include acollar (52) extending from the conical portion (46) and ending at afirst rolled lip (54). The collar (52) may be affixed to the container(30) at a shoulder (68) of the container (30). The collar (52) mayinclude a second rolled lip (56) that defines at least one through hole(58) within the collar (52). The at least one through hole (58) may beconstructed and arranged to allow a user to lift the mini-keg growler.In a number of variations the container (30) may include a second innerwall (72) spaced apart from a first outer wall (74) and defining a thirdcavity (76) there between and constructed and arranged to improvethermal insulation within the container (30). In a number of variationsthe container (30) may be constructed and arranged to easily andefficiently stack with other similar containers (30). The container (30)may be constructed and arranged to hold a fermentable liquid or fluid(70) within the first cavity (34) and where the first cavity (34) may besealed closed, and where the fluid (70) may then be fermented orpressurized or carbonated.

With respect to FIGS. 1 & 2; the neck (48) may define a passage (64) influid communication with the first cavity (34) and constructed andarranged to receive the first cap (12) and sealingly close the cavity(34). The neck (48) may further include an inner threading (60) withinthe passage (64) constructed and arranged to thread and mechanicallyengage with the outer threading (26) of the cap (12). The neck (48) mayfurther include a chamfered flange (62) extending outwardly from theneck (48) at an angle of about 30 to 60 degrees from parallel with theneck (48). According to a number of variations, the chamfered flange(62) may extend outwardly from the neck (48) at an angle of about 45degrees from parallel with the neck (48).

With respect to FIG. 3; a first cap (12) that may include a head (17)that may include an upper circular surface (14) opposite a lower surface(16) and spaced apart by a cylindrical side surface (18) having aplurality of parallel striations (20) disposed thereon, and a cap nipple(22) extending from the lower surface (16) of the first cap (12) thatmay include a groove (24) adjacent to the lower surface (16) and outerthreading (26) on an outer surface (28) of the cap nipple (22), and ano-ring (50) disposed within the groove (24). The cap (12) may alsodefine a second cavity (66) within the cap nipple (22).

The mini-keg growler may be smaller than a typical keg (15.5 gallonvessel) used to contain a fluid such as beer at a predetermined pressuregreater than the air pressure outside of the keg. In a number ofnon-limiting variations, the cylindrical body portion (32) of a mini-keggrowler may have a diameter ranging from 4-6 inches, for example5.0-5.25 inches; the cylindrical body height may range from 4-6 inches,for example 4 inches; the conical potion (46) may have a height frompoint 96 to 94 ranging from 1.25-1.75 inches, for example 1.75 inches;the indent (42) in the bottom of the mini-keg growler may have a depthfrom surfaces (38) to (42) ranging from 0.75-1.25 inches, for example1.0 inches; the head (17) of the cap (12) may have a diameter rangingfrom 1.5-20 inches, for example 1.75 inches; the cap nipple (22) mayhave a diameter ranging from 1.0-1.5 inches, for example 1.25 inches;the neck (48) may have a height from point (94) to (92) ranging from0.5-5.0 inches, for example 1.0 inches; the neck (48) may have an outerdiameter ranging from 1.25-2.0 inches, for example 1.5 inches, and aninner diameter ranging from 0.75-1.75, for example 1.25 inches; and theneck (48) may extend above the top (90) of the first rolled lip (54) topoint (92) a distance ranging from 0.01-4 inches, 0.25-0.75 inches, forexample 0.625 inches.

Variation 1 may include a product may include a first cap that mayinclude a head having an upper circular surface opposite a lower surfaceand spaced apart by a cylindrical side surface having a plurality ofparallel striations disposed thereon, and a cap nipple extending fromthe lower surface of the first cap that may include a groove adjacent tothe lower surface and outer threading on an outer surface of the capnipple, and an o-ring disposed within the groove. A first container mayinclude a generally cylindrical body portion defining a first cavity andthat may include a closed end portion may include a bottom surfacedefining a circular outer lip affixed to the generally cylindrical bodyportion to the closed end portion, an indent located generally at thecenter of the closed end portion, and a generally circular rib disposedthere between. The first container further may include a conical portionextending opposite the closed end portion and converging toward andbeing affixed to a neck defining a passage in fluid communication withthe first cavity and constructed and arranged to receive the first capand sealingly close the cavity. In a number of variations the containermay include a spaced apart second inner wall constructed and arranged toimprove thermal insulation.

Variation 2 may include a product as set forth in variation 1 thatfurther may include a collar extending from the conical portion of thecontainer and ending at a first rolled lip and further may include asecond rolled lip defining at least one through hole in the collar.

Variation 3 may include a product as set forth in any of variations 1 or2 wherein the neck may further include an inner threading within thepassage constructed and arranged to thread and mechanically engage withthe outer threading of the cap; and a chamfered flange constructed andarranged to receive and engage the o-ring to sealingly close the cavitywhen the first cap is threaded with the neck.

Variation 4 may include a product as set forth in any of variations 1through 3 wherein the chamfered flange extends outwardly from the neckat a predetermined angle ranging from about 30 to about 60 degrees fromparallel with the neck.

Variation 5 may include a product as set forth in any of variation 4wherein the predetermined angle ranges from about 40 to about 50 degreesfrom parallel with the neck.

Variation 6 may include a product as set forth in any of variations 4through 5 wherein the predetermined angle may be about 45 degrees fromparallel with the neck.

Variation 7 may include a product as set forth in any of variations 1through 6 and further may include a second container and a second capwherein the outer lip and circular rib of the first container areconstructed and arranged to receive the first rolled lip of the collarof the second container such that the first container may be stackedupon the second container; and wherein the indent of the first containermay be constructed and arranged to extend into the cavity such that theneck and second cap of the second container does not come into contactwith the indent of the first container.

Variation 8 may include a product as set forth in any of variations 1through 7 wherein the hub portion of the first cap may define a secondcavity.

Variation 9 may include a product as set forth in any of variations 1through 8 wherein the container and the cap may form a high pressurevessel.

Variation 10 may include a product as set forth in any of variation 9wherein high pressure vessel may be constructed and arranged towithstand internal pressure ranging from about 0 PSI to about 50 PSI.

Variation 11 may include a product as set forth in any of variations 9through 10 wherein high pressure vessel may be constructed and arrangedto withstand internal pressure ranging from about 5 PSI to about 15 PSI.

Variation 12 may include a product as set forth in any of variations 1through 11 wherein the container may include a double-wall configurationthat may include an inner wall, an outer wall, and a third cavitydefined there between and wherein the inner wall and the outer wall meetat the neck to sealingly separate the first cavity from the thirdcavity.

Variation 13 may include a product that may include a first cap that mayinclude an upper circular surface opposite a lower surface and spacedapart by a cylindrical side surface having a plurality of parallelstriations disposed thereon, and a cap nipple extending from the lowersurface of the first cap may include a groove adjacent to the lowersurface and outer threading on an outer surface of the cap nipple. Ano-ring may be disposed within the groove; a first container may includea generally cylindrical body portion defining a first cavity and mayinclude a closed end portion may include a bottom surface defining acircular outer lip affixed to the generally cylindrical body portion tothe closed end portion, an indent located generally at the center of theclosed end portion, and a generally circular rib disposed there between.The first container further may include a conical portion extendingopposite the closed end portion and converging toward and being affixedto a neck defining a passage in fluid communication with the firstcavity and constructed and arranged to receive the first cap andsealingly close the cavity, wherein the neck further includes an innerthreading within the passage constructed and arranged to thread andmechanically engage with the outer threading of the cap and a chamferedflange extending from the neck at a predetermined angle and may beconstructed and arranged to receive and engage the o-ring to sealinglyclose the cavity when the first cap is threaded with the neck. A collarmay extend from the conical portion of the container and end at a firstrolled lip and further may include a second rolled lip defining at leastone through hole in the collar.

Variation 14 may include a product as set forth in variation 13 whereinthe predetermined angle ranges from about 30 to about 60 degrees fromparallel with the neck.

Variation 15 may include a product as set forth in any of variations 13through 14 wherein the predetermined angle may be about 45 degrees fromparallel with the neck.

Variation 16 may include a product as set forth in any of variations 13through 15 wherein the container and the cap form a high pressurevessel.

Variation 17 may include a product as set forth in any of variations 13through 16 wherein high pressure vessel may be constructed and arrangedto withstand internal pressure ranging from about 5 PSI to about 15 PSI.

Variation 18 may include a method providing a first cap that may includean upper circular surface opposite a lower surface and spaced apart by acylindrical side surface having a plurality of parallel striationsdisposed thereon, and a cap nipple extending from the lower surface ofthe first cap may include a groove adjacent to the lower surface andouter threading on an outer surface of the cap nipple, and an o-ringdisposed within the groove. The method may further include providing afirst container may include a generally cylindrical body portiondefining a first cavity and that may include a closed end portion mayinclude a bottom surface defining a circular outer lip affixed to thegenerally cylindrical body portion of the closed end portion, an indentlocated generally at the center of the closed end portion, and agenerally circular rib disposed there between, the first containerfurther may include a conical portion extending opposite the closed endportion and converging toward and being affixed to a neck defining apassage in fluid communication with the first cavity and constructed andarranged to receive the first cap and sealingly close the cavity. Themethod may further include providing a collar that may include a firstrolled lip and a shoulder and further may include a second rolled lipdefining at least one through hole in the collar. The method may furtherinclude attaching the shoulder of the collar to the cylindrical bodyportion at the interface of the cylindrical body portion and the conicalportion.

Variation 19 may include a method as set forth in variation 18 furthermay include providing a fermentable liquid within the cavity, sealinglyclosing the cavity, and fermenting the fermentable liquid within thecavity.

Variation 20 may include a method as set forth in any of variations 18through 22 that may further include providing a carbonated liquid withinthe cavity, sealingly closing the cavity, and pressurizing the cavity toan internal pressure ranging from about 5 PSI to about 15 PSI.

Variation 21 may include a product comprising: a first cap comprising anupper circular surface opposite a lower surface and spaced apart by acylindrical side surface having a plurality of parallel striationsdisposed thereon, and a cap nipple extending from the lower surface ofthe first cap comprising a groove adjacent to the lower surface andouter threading on an outer surface of the cap nipple, and an o-ringdisposed within the groove.

Variation 22 may include a product comprising: a first containercomprising a generally cylindrical body portion defining a first cavityand that includes a closed end portion comprising a bottom surfacedefining a circular outer lip affixed to the generally cylindrical bodyportion to the closed end portion, an indent located generally at thecenter of the closed end portion, and a generally circular rib disposedthere between, the first container further comprising a conical portionextending opposite the closed end portion and converging toward andbeing affixed to a neck defining a passage in fluid communication withthe first cavity and constructed and arranged to receive a first cap andsealingly close the cavity.

Variation 23 may include a product including: a mini-keg growlercontainer comprising a generally cylindrical body portion defining afirst cavity and that includes a closed end portion comprising a bottomsurface, the first container further comprising a portion extendingopposite the closed end portion and to an elongated neck defining apassage in fluid communication with the first cavity and constructed andarranged to receive a first cap and sealingly close the cavity.

Variation 24 may include a product as set forth in variation 23 furthercomprising a first cap comprising an upper circular surface opposite alower surface and spaced apart by a cylindrical side surface, and a capnipple extending from the lower surface of the first cap comprising agroove adjacent to the lower surface and an o-ring disposed within thegroove.

The above description of variations within the scope of the invention ismerely demonstrative in nature and, thus, variations thereof are not tobe regarded as a departure from the spirit and scope of the inventionsdisclosed within this document.

What is claimed is:
 1. A product comprising: a first containercomprising a generally cylindrical body portion defining a first cavityand that includes a closed end portion comprising a bottom surfacedefining a circular outer lip affixed to the generally cylindrical bodyportion of the closed end portion, an indent located generally at thecenter of the closed end portion, and a generally circular rib disposedtherebetween, the first container further comprising a conical portionextending opposite the closed end portion and converging at apredetermined angle toward and being affixed to a neck defining apassage in fluid communication with the first cavity.
 2. The productaccording to claim 1, further comprising: a collar extending from theconical portion of the container and ending at a first rolled lip andfurther comprising a second rolled lip defining at least one throughhole in the collar.
 3. The product according to claim 1, wherein thepredetermined angle ranges from about 40 to about 50 degrees fromparallel with the neck.
 4. The product according to claim 1, wherein thepredetermined angle is about 45 degrees from parallel with the neck. 5.The product according to claim 1, further comprising a first cap havinga nipple and wherein the nipple of the first cap defines a secondcavity.
 6. A product as set forth in claim 1 further comprising a firstcap comprising an upper circular surface opposite a lower surface andspaced apart by a cylindrical side surface having a plurality ofparallel striations disposed thereon, and a cap nipple extending fromthe lower surface of the first cap comprising a groove adjacent to thelower surface and outer threading on an outer surface of the cap nipple,and an o-ring disposed within the groove.
 7. The product according toclaim 1, wherein the first container is constructed and arranged towithstand internal pressure ranging from about 0 PSI to about 50 PSI. 8.The product according to claim 1, wherein the first container isconstructed and arranged to withstand internal pressure ranging fromabout 5 PSI to about 15 PSI.
 9. The product according to claim 1,wherein the container comprises a double-wall configuration thatincludes an inner wall, an outer wall, and a third cavity defined therebetween and wherein the inner wall and the outer wall meet at the neckto sealingly separate the first cavity from the third cavity.
 10. Amini-keg growler comprising: a first container comprising a generallycylindrical body portion defining a first cavity and that comprises aclosed end portion comprising a bottom surface defining a circular outerlip affixed to the generally cylindrical body portion of the closed endportion, an indent located generally at the center of the closed endportion, and a generally circular rib disposed therebetween, the firstcontainer further comprising a conical portion extending opposite theclosed end portion and converging at a predetermined angle toward andbeing affixed to a neck defining a passage in fluid communication withthe first cavity and constructed and arranged to receive the first capand sealingly close the cavity; a collar extending from the conicalportion of the container and ending at a first rolled lip and furthercomprising a second rolled lip defining at least one through hole in thecollar.
 11. The mini-keg growler according to claim 10, wherein thepredetermined angle ranges from about 30 to about 60 degrees fromparallel with the neck.
 12. The mini-keg growler according to claim 10,wherein the predetermined angle is about 45 degrees from parallel withthe neck.
 13. The mini-keg growler according to claim 10, wherein thecontainer and the cap form a high pressure vessel.
 14. The mini-keggrowler according to claim 13, wherein the high pressure vessel isconstructed and arranged to withstand internal pressure ranging fromabout 5 PSI to about 15 PSI.
 15. A mini-keg growler comprising: amini-keg growler container comprising a generally cylindrical bodyportion defining a first cavity and that includes a closed end portioncomprising a bottom surface comprising a truncated cone shaped indentlocated generally at the center of the closed end portion wherein thetruncated cone shaped indent comprises a plateau located generally atthe center of the closed end portion, the first container furthercomprising a portion extending opposite the closed end portion and to anelongated neck defining a passage in fluid communication with the firstcavity.
 16. A mini-keg growler as set forth in claim 15 wherein thecavity is about one gallon or less in volume.
 17. A mini-keg growlercomprising: a first cap comprising an upper circular surface opposite alower surface and spaced apart by a cylindrical side surface having aplurality of parallel striations disposed thereon, and a cap nippleextending from the lower surface of the first cap comprising a recessedgroove adjacent to the lower surface and outer threading on an outersurface of the cap nipple, and an o-ring disposed within the groove; anda first container comprising a generally cylindrical body portiondefining a first cavity of about one gallon or less in volume and thatincludes a closed end portion comprising a bottom surface defining acircular outer lip affixed of the generally cylindrical body portion tothe closed end portion, a truncated cone shaped indent located generallyat the center of the closed end portion wherein the truncated coneshaped indent comprises a plateau located generally at the center of thetruncated cone shaped and indent and the closed end portion, and agenerally circular rib disposed therebetween, the first containerfurther comprising a conical portion extending opposite the closed endportion and converging toward and being affixed to a neck defining apassage in fluid communication with the first cavity and a chamferedflange constructed and arranged to receive and engage an o-ring tosealingly close the cavity when the first cap is threaded with the neckso that the chamfered flange engages the o-ring disposed in the groovewhen the cap is closed.
 18. A mini-keg growler comprising: a firstcontainer comprising a generally cylindrical body portion defining afirst cavity of about one gallon or less in volume and that comprises aclosed end portion comprising a bottom surface defining a circular outerlip affixed to the generally cylindrical body portion of the closed endportion, an indent located generally at the center of the closed endportion, and a generally circular rib disposed therebetween, the firstcontainer further comprising a conical portion extending opposite theclosed end portion and converging toward and being affixed to a neckdefining a passage in fluid communication with the first cavity andconstructed and arranged to receive a cap and sealingly close thecavity, wherein the neck further comprises an inner threading within thepassage constructed and arranged to thread and mechanically engage withthe cap; and a collar extending from the conical portion of thecontainer and ending at a first rolled lip and further comprising asecond rolled lip defining at least one through hole in the collar. 19.A mini-keg growler comprising: a first mini-keg growler containercomprising a generally cylindrical body portion defining a first cavityand that comprises a closed end portion comprising a bottom surfacedefining a circular outer lip affixed to the generally cylindrical bodyportion of the closed end portion, and a collar connected to the bodyportion and having a shoulder and a first rolled lip and furthercomprising a second rolled lip defining at least one through hole in thecollar, wherein the cavity is about one gallon or less in volume andfurther comprising a conical portion extending opposite the closed endportion and converging toward and being affixed to an elongated neck.20. A mini-keg growler as set forth in claim 19 further comprising a capconstructed and arranged to sealingly close the cavity.
 21. A mini-keggrowler as set forth in claim 20 wherein the neck further comprises aninner threading within the passage constructed and arranged to threadand mechanically engage with an outer threading of the cap and achamfered flange constructed and arranged to receive and engage ano-ring to sealingly close the cavity when the first cap is threaded withthe neck.
 22. A mini-keg growler as set forth in claim 19 wherein thegenerally cylindrical body portion includes an indent formed thereinlocated generally at the center of the closed end portion.
 23. Amini-keg growler comprising: a first mini-keg growler containercomprising a generally cylindrical body portion defining a first cavityand that comprises a closed end portion comprising a bottom surfacedefining a circular outer lip affixed to the generally cylindrical bodyportion of the closed end portion, wherein the first container furthercomprising a conical portion extending opposite the closed end portionand converging toward and being affixed to a neck comprising a chamferedflange defining a passage in fluid communication with the first cavityand constructed and arranged to receive a first cap comprising a capnipple extending from a lower surface of the first cap comprising arecess groove defined in the nipple adjacent to the lower surface on anouter surface of the cap nipple, and an o-ring disposed within therecessed groove and sealingly close the cavity wherein the cap depressesthe o-ring against the chamfered flange, and a collar extending from theconical portion and having a shoulder and a first rolled lip and furthercomprising a second rolled lip defining at least one through hole in thecollar, wherein the cavity is about one gallon or less in volume.
 24. Amini-keg growler as set forth in claim 23 wherein the first container isa high pressure vessel constructed and arranged to withstand internalpressure to about 50 PSI.
 25. A mini-keg growler comprising: a first capcomprising an upper circular surface opposite a lower surface and spacedapart by a cylindrical side surface, and a cap nipple extending from thelower surface of the first cap comprising a groove adjacent to the lowersurface and outer threading on an outer surface of the cap nipple, andan o-ring disposed within the groove; and a first container comprising agenerally cylindrical body portion defining a first cavity and thatincludes a closed end portion comprising a bottom surface defining acircular outer lip affixed to the generally cylindrical body portion ofthe closed end portion; and wherein the neck further comprises: an innerthreading within the passage constructed and arranged to thread andmechanically engage with the outer threading of the cap; and a chamferedflange constructed and arranged to receive and engage the o-ring tosealingly close the cavity when the first cap is threaded with the neckso that the chamfered flange engages the o-ring disposed in the groove,and wherein the chamfered flange extends outwardly from an outer surfaceof the neck at a predetermined angle ranging from about 30 to about 60degrees from parallel with the neck.
 26. A mini-keg growler as set forthin claim 25 wherein an indent is located generally at the center of theclosed end portion, and further comprising a generally circular ribdisposed therebetween, the first container further comprising a conicalportion extending opposite the closed end portion and converging towardand being affixed to a neck defining a passage in fluid communicationwith the first cavity and constructed and arranged to receive the firstcap and sealingly close the cavity wherein the container and the firstcap form a high pressure vessel.